live coding

A brief demo of the Smalltalk debugger, including defining a method that doesn't exist yet while the program is stopped mid-crash.

Stevie Wonder performs 'Superstition' on Sesame Street in 1973, with kids dancing along. It is a feel-good live music performance.

Footage of Stefani Germanotta, later Lady Gaga, performing 'Captivated' and 'Electric Kiss' at NYU's Ultraviolet Live talent show in 2005-era college days. It shows her singing and playing before she became famous.

A clip from the film The Lives of Others showing Wiesler as a ruthless, efficient Stasi interrogator who uses a recorded interrogation to train new officers. HN uses other scenes from the same film as well.

Elevated is a 4 kilobyte PC demo by RGBA and TBC from Breakpoint 2009. It fly-throughs a realistic procedurally generated landscape with synthesized music and post-processing, all from a tiny executable.

A 2009 satirical news segment from The Onion's 'In The Know' in which pundits adjust their on-air opinions in real time according to a live viewer poll. It lampoons pandering media and politics.

A live 2007 performance of Todd Snider's song 'Statistician's Blues' at the Great American Music Hall. The song satirizes statistics and how readily people believe them.

A sketch from the Seattle comedy show Almost Live! in which Pat Cashman plays a US Bell rep explaining the new 425 area code. It first aired in 1997.

Brian Fitzpatrick and Ben Collins-Sussman argue that the 'genius programmer' ideal harms collaboration. They advocate trading ego for growth, sharing work early, and understanding how tools shape social behavior.

Robert Martin's RailsConf 2009 talk looks at why Smalltalk lost out despite its technical strengths. He draws lessons about language communities and arrogance that he argues could hurt Ruby too.

Cliff Click of Azul Systems gives a Google Tech Talk on running Java business applications on a machine with about a thousand cores. He covers hardware and software codesign, including garbage collection hardware and the JIT.

Ward Cunningham explains the history and intent of the debt metaphor, which he coined while refactoring the WyCash product. He says debt means code reflecting an incomplete understanding of the problem, not sloppy programming.

Ian Piumarta's 2007 Stanford EE380 lecture on building a dynamic programming environment from the ground up, from the Viewpoints Research Institute's work. It covers the design of a language and system with a recursive design, parsing through code generation, and the COLA architecture.

Chaos Theory is a 64k demoscene intro by Conspiracy and CNS that took second place at Assembly 2006, generating its graphics and music from a tiny executable.

Masagin is a realtime demoscene production by Farbrausch and Neuro with music by paniq, using animated recursive SVG graphics made in Inkscape. It is a psychedelic, nested-dials audiovisual piece.

Karl Sims's 1994 demonstration of evolved virtual creatures: block-bodied creatures whose bodies and controllers are evolved through selection, mutation and recombination to swim, walk and compete.

Lecture 1B of MIT's 6.001 Structure and Interpretation of Computer Programs (1986) with Gerald Sussman, covering procedures, processes and the substitution model. It includes the line about the power of naming things.

Joel Spolsky's 2009 Google Tech Talk on why StackOverflow was built, how it addresses the mess of searching for programming help, and the community design behind it. He also takes jabs at paywalled answer sites.

A 2006 promotional video for sCrAmBlEd?HaCkZ!, a music software project that analyzes and reassembles sampled audio and video in real time, tied to themes of sampling and copyright.

Paul Biggar's Google Tech Talk on compiling and optimizing scripting languages, drawn from his work on the phc ahead-of-time PHP compiler. He covers runtime typing, aliasing and code generation challenges, and argues AOT can compete with JIT.

Dan Bornstein's Google I/O 2008 talk on the internals of Dalvik, the virtual machine that runs Android code. It covers the motivation for its design, the dex format and its register-based interpreter, plus tips for writing code that suits the platform.

A how-to video on datamoshing, the glitch-art technique of removing keyframes so that motion data smears across video. It walks through the tools needed, such as ffmpegx and Avidemux, though the author notes parts are outdated.

Lecture 7A of the 1986 MIT 6.001 SICP course, with Gerald Sussman presenting the metacircular evaluator, part 1. It shows how a Lisp evaluator can be written in Lisp itself.

A one-minute clip of Scotty from Star Trek giving advice to engineers about managing expectations in estimates. It is a comedic bit of workplace wisdom.

A short EDS television commercial that shows an airplane being built while it is in flight. It is an early use of the 'building the plane as it flies' metaphor.

A spectrogram analysis of Aphex Twin's track commonly called [Equation] from Windowlicker, rendered from a lossless version. At about 5:30 the spectrogram reveals an image of Richard D. James's face.

Part 2 of an old Microsoft Research demo of Intentional Programming, showing the compiler side of a system that stores programs as abstract structure rather than text. The uploader says the companion editor clip is clearer.

Robert Lustig of UCSF lectures on the biochemistry of sugar, arguing that fructose and lack of fiber drive the obesity epidemic via insulin. It is the widely viewed 90-minute talk that popularized the anti-sugar case.

Debris by Farbrausch, the winner of the Breakpoint 2007 demo competition. All of its 3D visuals, textures and music come from a single 177 KB executable.

A 256-byte MS-DOS intro that renders a raymarched, procedural 3D animation. It won the 256-byte competition at Riverwash 2009 and the scene.org award for best technical achievement that year, and the author published commented x86 assembly source.

A 2007 video of someone trying to write Perl code using Windows Vista's speech recognition, with hilariously bad results.

A 2007 video of someone trying to write Perl scripts using Windows Vista speech recognition, with comically bad results. The footage shows the recognizer repeatedly mangling commands.

Douglas Adams gives a talk at UCSB, recorded shortly before his death, about the odd lives of animals and what they suggest about humanity's future. It draws on his Last Chance to See work and is funny and wide-ranging.

A short street-level clip of Joe Ades, the New York pitchman who sold vegetable peelers to crowds on the sidewalk. It shows his patter, showmanship and crowd handling in action.

The Google I/O 2009 keynote introducing Google Wave, a real-time collaborative communication and document platform. It includes a long live demo and the developer preview announcement.

Tom Murphy's satirical SIGBOVIK 2007 presentation, delivered under a pseudonym, proving that generalized Super Mario Bros. is NP-complete. It is a short, deadpan take on a complexity theory result.

Comedian and cellist Rob Paravonian rants about having to play Pachelbel's Canon in D, and shows how many pop songs reuse its chord progression. It was recorded live at Penn State.

Economist-comedian Yoram Bauman delivers a humorous translation of Mankiw's ten principles of economics for the uninitiated. It was presented at the AAAS humor session in 2007.

A Google Tech Talk on Yahoo's 14 rules for faster web pages and the YSlow tool. It covers front-end practices like avoiding @import and fixing ETags, with live analysis of popular sites.

A short film about the Erlang language, showing telecom systems built from lightweight processes and demonstrating hot code swapping. It is an edited version of the original Ericsson video.